cc: Add SwapPromiseManager and SurfaceSequenceGenerator.

content/renderer/gpu/render_widget_compositor.cc

Index: content/renderer/gpu/render_widget_compositor.cc
diff --git a/content/renderer/gpu/render_widget_compositor.cc b/content/renderer/gpu/render_widget_compositor.cc
index 9a797721a07ba2d7258d75accc8c7ac2dcd0dac1..b6f5dcf3f7e03ceea0af06f14df822ece1e77035 100644
--- a/content/renderer/gpu/render_widget_compositor.cc
+++ b/content/renderer/gpu/render_widget_compositor.cc
@@ -626,9 +626,8 @@ void RenderWidgetCompositor::SetNeedsForcedRedraw() {
 std::unique_ptr<cc::SwapPromiseMonitor>
 RenderWidgetCompositor::CreateLatencyInfoSwapPromiseMonitor(
     ui::LatencyInfo* latency) {
-  return std::unique_ptr<cc::SwapPromiseMonitor>(
-      new cc::LatencyInfoSwapPromiseMonitor(latency, layer_tree_host_.get(),
-                                            NULL));
+  return base::MakeUnique<cc::LatencyInfoSwapPromiseMonitor>(
+      latency, layer_tree_host_->GetSwapPromiseManager(), nullptr);
 }
 
 void RenderWidgetCompositor::QueueSwapPromise(